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11 questions
Bases
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7th - 8th Grade
10 questions
EVALUACIÓN DIAGNÓSTICA DE QUÍMICA
1st - 8th Grade
Ácidos y Bases
1st Grade - University
Propriedades físicas e químicas
7th Grade
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14 questions
Grundämnen
5th - 9th Grade
oxisales
1st - 10th Grade
تصنيف العناصر